Re: 64 bit software

From: FM <fabrizio.magni_at_mycontinent.com>
Date: Fri, 03 Sep 2004 09:44:20 +0200
Message-ID: <41382102$1@x-privat.org>

Hans Forbrich wrote:

> Mark Bole wrote:
>
>

>>I think the memory boundary (between 32-bit and 64-bit) you are
>>referring to is 4 GB, not 2 GB.

>
>
> Yes, it's 2^32. I had the 2^(32-1) for signed integers stuck in my mind,
> but so far it's really rare to need a negative memory address. (And yes,
> there are other memory references in my post that are out accordingly.)
>
> And, to Jonathan, yes - for most *nix the epoch is 00:00:00 GMT, January 1,
> 1970, not 1972. (And for VMS, it's 00:00:00 of November 17, 1858 ... )
>
>
> Just dumb, inexcusable, mistakes. Time for a long, long nap.
> /Hans

On file system you have a limit of 2^(32-1).

For linux I suggest this reading http://www.suse.de/~aj/linux_lfs.html for files and this for memory: http://kerneltrap.org/node/view/2450

Regards

-- 
Fabrizio Magni

fabrizio.magni_at_mycontinent.com

replace mycontinent with europe

Received on Fri Sep 03 2004 - 02:44:20 CDT